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authorEzio Melotti <ezio.melotti@gmail.com>2012-04-29 04:53:20 +0300
committerEzio Melotti <ezio.melotti@gmail.com>2012-04-29 04:53:20 +0300
commitb713e3f72f204d4514dc2e49f17bb8f207cd9e49 (patch)
treee34c137c1d3b6316aa75603933e1ebff76a91ded /Doc/library/re.rst
parent9716944ae4797cf9c8642e6c7f0e1aa0726e76b9 (diff)
parentb62f6a880d5aa2645aa8d247ee7046232b72e33c (diff)
downloadcpython-b713e3f72f204d4514dc2e49f17bb8f207cd9e49.tar.gz
#14155: merge note about \b from 3.2.
Diffstat (limited to 'Doc/library/re.rst')
-rw-r--r--Doc/library/re.rst9
1 files changed, 6 insertions, 3 deletions
diff --git a/Doc/library/re.rst b/Doc/library/re.rst
index 07868b2a6f..72bc46a1ee 100644
--- a/Doc/library/re.rst
+++ b/Doc/library/re.rst
@@ -684,9 +684,12 @@ form.
.. function:: escape(string)
- Return *string* with all non-alphanumerics backslashed; this is useful if you
- want to match an arbitrary literal string that may have regular expression
- metacharacters in it.
+ Escape all the characters in pattern except ASCII letters, numbers and ``'_'``.
+ This is useful if you want to match an arbitrary literal string that may
+ have regular expression metacharacters in it.
+
+ .. versionchanged:: 3.3
+ The ``'_'`` character is no longer escaped.
.. function:: purge()